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/*
* Revision Control Information
*
* /projects/hsis/CVS/utilities/util/cpu_stats.c,v
* rajeev
* 1.4
* 1995/08/08 22:41:17
*
*/
/* LINTLIBRARY */
#include <stdio.h>
#include "util.h"
#include <sys/types.h>
//#include <sys/time.h>
#ifdef HAVE_SYS_RESOURCE_H
# include <sys/resource.h>
#endif
#if defined(_IBMR2)
#define etext _etext
#define edata _edata
#define end _end
#endif
#ifndef __CYGWIN32__
extern int end, etext, edata;
#endif
void
util_print_cpu_stats(fp)
FILE *fp;
{
(void) fprintf(fp, "Usage statistics not available\n");
}
#if 0
void
util_print_cpu_stats(fp)
FILE *fp;
{
#if HAVE_SYS_RESOURCE_H && !defined(__CYGWIN32__)
struct rusage rusage;
#ifdef RLIMIT_DATA
struct rlimit rlp;
#endif
int text, data, vm_limit, vm_soft_limit;
double user, system, scale;
char hostname[257];
int vm_text, vm_init_data, vm_uninit_data, vm_sbrk_data;
/* Get the hostname */
(void) gethostname(hostname, 256);
hostname[256] = '\0'; /* just in case */
/* Get the virtual memory sizes */
vm_text = ((int) (&etext)) / 1024.0 + 0.5;
vm_init_data = ((int) (&edata) - (int) (&etext)) / 1024.0 + 0.5;
vm_uninit_data = ((int) (&end) - (int) (&edata)) / 1024.0 + 0.5;
vm_sbrk_data = (sizeof(char) * ((char *) sbrk(0) - (char *) (&end))) / 1024.0 + 0.5;
/* Get virtual memory limits */
#ifdef RLIMIT_DATA /* In HP-UX, with cc, this constant does not exist */
(void) getrlimit(RLIMIT_DATA, &rlp);
vm_limit = rlp.rlim_max / 1024.0 + 0.5;
vm_soft_limit = rlp.rlim_cur / 1024.0 + 0.5;
#else
vm_limit = -1;
vm_soft_limit = -1;
#endif
/* Get usage stats */
(void) getrusage(RUSAGE_SELF, &rusage);
user = rusage.ru_utime.tv_sec + rusage.ru_utime.tv_usec/1.0e6;
system = rusage.ru_stime.tv_sec + rusage.ru_stime.tv_usec/1.0e6;
scale = (user + system)*100.0;
if (scale == 0.0) scale = 0.001;
(void) fprintf(fp, "Runtime Statistics\n");
(void) fprintf(fp, "------------------\n");
(void) fprintf(fp, "Machine name: %s\n", hostname);
(void) fprintf(fp, "User time %6.1f seconds\n", user);
(void) fprintf(fp, "System time %6.1f seconds\n\n", system);
text = rusage.ru_ixrss / scale + 0.5;
data = (rusage.ru_idrss + rusage.ru_isrss) / scale + 0.5;
(void) fprintf(fp, "Average resident text size = %5dK\n", text);
(void) fprintf(fp, "Average resident data+stack size = %5dK\n", data);
(void) fprintf(fp, "Maximum resident size = %5ldK\n\n",
rusage.ru_maxrss/2);
(void) fprintf(fp, "Virtual text size = %5dK\n",
vm_text);
(void) fprintf(fp, "Virtual data size = %5dK\n",
vm_init_data + vm_uninit_data + vm_sbrk_data);
(void) fprintf(fp, " data size initialized = %5dK\n",
vm_init_data);
(void) fprintf(fp, " data size uninitialized = %5dK\n",
vm_uninit_data);
(void) fprintf(fp, " data size sbrk = %5dK\n",
vm_sbrk_data);
/* In some platforms, this constant does not exist */
#ifdef RLIMIT_DATA
(void) fprintf(fp, "Virtual memory limit = %5dK (%dK)\n\n",
vm_soft_limit, vm_limit);
#endif
(void) fprintf(fp, "Major page faults = %ld\n", rusage.ru_majflt);
(void) fprintf(fp, "Minor page faults = %ld\n", rusage.ru_minflt);
(void) fprintf(fp, "Swaps = %ld\n", rusage.ru_nswap);
(void) fprintf(fp, "Input blocks = %ld\n", rusage.ru_inblock);
(void) fprintf(fp, "Output blocks = %ld\n", rusage.ru_oublock);
(void) fprintf(fp, "Context switch (voluntary) = %ld\n", rusage.ru_nvcsw);
(void) fprintf(fp, "Context switch (involuntary) = %ld\n", rusage.ru_nivcsw);
#else /* Do not have sys/resource.h */
(void) fprintf(fp, "Usage statistics not available\n");
#endif
}
#endif
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